Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K10172-3 found under Computer Digital by Advanced Systems Div Of Comptek. The National Stock Number assigned to this part is 7021014617707, and the Federal Supply Class is 7021 Adp Central Processing Unit Cpu Computer Digital. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K10172-3.